MA2C840 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Variable Capacitance Diodes

Variable Capacitance Diodes
MA2C840
Silicon epitaxial planar type
For AFC of UHF and VHF electronic tuner
I Features
• Super-small envelope (DO-34), allowing to insert into a 5 mm
pitch hole.
• Small series resistance r_D
• Large variable capcitance range
I Absolute Maximum Ratings T_a = 25°C
Parameter
Symbol
Rating
Unit
Reverse voltage (DC)
Peak forward current
Junction temperature
Storage temperature
V_R
32
V
V_RM
34
V
T_j
150
°C
T_stg
−55 to +150
°C
φ 0.45 max.
COLORED BAND
1
INDICATES
CATHODE
Unit : mm
1st Band
2nd Band
2
φ 1.75 max.
1 : Anode
2 : Cathode
JEDEC : DO-34
I Electrical Characteristics T_a = 25°C
Parameter
Symbol
Conditions
Forward current (DC)
Reverse current (DC)
Reverse current (DC)
Capacitance ratio^*
Series resistance
V_F
I_R
C_t
C_t(2V)/C_t(10V)
C_t(6V)/C_t(10V)
r_D
I_F = 100 mA
V_R = 30 V
V_R = 2 V, f = 1 MHz
V_R = 10 V, f = 1 MHz
C_D = 9 pF, f = 470 MHz
Note) 1ɽRated input/output frequency: 470 MHz
ɹ 2ɽ* : C_t(2V)/C_t(10V), C_t(6V)/C_t(10V) rank classification table
Class
C_t(2V)/C_t(10V)
C_t(6V)/C_t(10V)
A
2.5 to 3.0

B
2.8 to 3.4

M
2.8 to 3.4
>1.64
I Cathode Indication
Class
1st band
2nd band
A
Light Blue
White
B
Light Blue
Green
M
Light Blue
Light Blue
Min Typ Max Unit
1.1
V
10
nA
10.5
16
pF
3.3
5.7
2.5
3.4

1.64

1.2
Ω
1